What does "marl" mean?

A mixed earthy substance, consisting of carbonate of lime, clay, and possibly sand, in very variable proportions, and accordingly designated as calcareous, clayey, or sandy.

What is a synonym for "marl"?

Common synonyms include: acres, alabaster, alluvium, asphalt, clay, clod.

Marl

//mɑːl// noun, verb

noun, verb ·Uncommon ·Advanced level

Definitions

Noun

1
A mixed earthy substance, consisting of carbonate of lime, clay, and possibly sand, in very variable proportions, and accordingly designated as calcareous, clayey, or sandy. countable, uncountable
"... uneasie steps / Over the burning Marle, not like those steps / On Heavens Azure..."
2
A species of bandicoot, Perameles myosurus, of southern Western Australia. Australia
3
a loose and crumbling earthy deposit consisting mainly of calcite or dolomite; used as a fertilizer for soils deficient in lime wordnet

Verb

1
To cover with the earthy substance called marl. transitive
2
To cover, as part of a rope, with marline, marking a peculiar hitch at each turn to prevent unwinding.